Untangling the link between experiential avoidance and non-suicidal self-injury: a multidimensional approach

Figures & data

Table 1. Correlations between variables in the model.

		Never N = 184		Previous History N = 167		Recent History N = 281
		M	SD	M	SD	M	SD	2	3	4	5	6	7	8
1	Age	25.18	8.28	25.01	6.27	24.90	6.86	−.15***	−.17***	−.17***	−.11**	−.14***	.11**	−.17***
2	Behavioural Avoidance	37.98	9.39	40.22	9.40	39.82	10.15	-	.60***	.54***	.46***	.38***	−.44***	.81***
3	Distress Aversion	45.24	11.62	47.70	11.80	49.40	12.68		-	.42***	.50***	.44***	−.24***	.80***
4	Procrastination	27.59	6.78	29.75	7.07	30.74	7.26			-	.30***	.46***	−.44***	.68***
5	Distraction and Suppression	27.28	6.35	29.16	7.35	28.83	6.32				-	.36***	−.04	.60***
6	Repression and Denial	37.10	11.27	40.56	11.63	44.56	12.15					-	−.17***	.68***
7	Distress Endurance	46.61	7.24	44.85	8.35	43.61	8.78						-	−.42***
8	BEAQ	49.73	12.17	54.13	12.06	54.55	12.01							-

*p < .05. **p < .01. ***p < .001.

Table 2. Predictor coefficients for the model predicting history of NSSI using unidimensional measure.

Regression Variable	Past History of NSSI^a			Recent History of NSSI^a			Past History of NSSI^b
	B (SE)	Sig.	Exp (B) [95% CI]	B (SE)	Sig.	Exp (B) [95% CI]	B (SE)	Sig.	Exp (B) [95% CI]
Intercept	−3.23 (.86)	p < .001		−4.23 (.80)	p < .001		1.00 (.80)	p = .213
BEAQ	.03 (.01)	p = .006	1.03 [1.01, 1.05]	.04 (.01)	p < .001	1.05 [1.03, 1.06]	−.02 (.01)	p = .053	.98 [.97, 1.00]
Age	.00 (.02)	p = .818	1.00 [.97, 1.04]	.01 (.02)	p = .683	1.01 [.98, 1.04]	−.00 (.02)	p = .998	1.00 [.97, 1.03]
Gender	.89 (.26)	p < .001	2.42 [1.45, 4.05]	1.18 (.24)	p < .001	3.27 [2.03, 5.26]	−.30 (.24)	p = .742	.74 [.46, 1.19]

^aReference category: Never Engaged.

^bReference category: Recently Engaged.

Table 3. Predictor coefficients for the model predicting history of NSSI using multidimensional measure.

Regression Variable	Past History of NSSI^a			Recent History of NSSI^a			Past History of NSSI^b
	B (SE)	Sig.	Exp (B) [95% CI]	B (SE)	Sig.	Exp (B) [95% CI]	B (SE)	Sig.	Exp (B) [95% CI]
Intercept	−3.42(1.41)	p = .015		−2.69 (1.27)	p = .035		−.73 (1.27)	p = .564
Age	.01 (.02)	p = .773	1.01 [.97, 1.04]	.01 (.02)	p = .519	1.01 [.98, 1.04]	−.01 (.02)	p = .740	1.00 [.97, 103]
Gender	.89 (.27)	p < .001	2.43 [1.44,4.12]	1.15 (.25)	p < .001	3.15 [1.94, 5.12]	−.26 (.25)	p = .297	.77 [.48, 1.25]
Behavioural Avoidance	.01 (.02)	p = .877	1.01 [.97, 1.04]	−.03 (.02)	p = .039	.97 [.94, 1.00]	.04 (.02)*	p = .021	1.04 [1.01, 1.07]
Distress Aversion	.00 (.01)	p = .967	1.00 [.98, 1.03]	.02 (.01)	p = .165	1.02 [.99, 1.04]	−.02 (.01)	p = .173	.98 [.96, 1.01]
Procrastination	.02 (.02)	p = .314	1.02 [.98, 1.07]	.03 (.02)	p = .161	1.03 [1.00, 1.07]	−.01 (.02)	p = .752	.99 [.96, 1.03]
Distraction & Suppression	.02 (.02)	p = .459	1.02 [.97, 1.06]	−.01 (.02)	p = .639	.99 [.95, 1.03]	.03 (.02)	p = .192	1.03 [.99, 1.07]
Repression & Denial	.01 (.01)	p = .292	1.01 [.99, 1.04]	.05 (.01)	p < .001	1.05 [1.03, 1.07]	−.04 (.01)	p < .001	.97 [.95, .99]
Distress Endurance	−.00 (.02)	p = .872	1.00 [.96, 1.03]	−.03 (.02)	p = .094	.97 [.94, 1.01]	.02 (.02)	p = .125	1.02 [.99, 1.06]

^aReference category: Never Engaged.

^bReference category: Recently Engaged.

Data availability statement

The data that support the findings of this study are available from the corresponding author, [MB], upon reasonable request.